A design class diagram is also called a data model.

Question

A design class diagram is also called a data model.​

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A design class diagram is a structural diagram in the Unified Modeling Language (UML) for software development, representing the system's classes, their attributes, operations (or methods), and the relationships among objects. A data model, on the other hand, focuses on the organization of data elements and standardizes how the data elements relate to one another and to properties of the real world entities. While both are used in the design phase of software development, they serve different purposes and are not the same.

A Design Class Diagram Is Also Called a Data Model